# Support **URL:** https://forum.core-electronics.com.au/c/general/10.md?page=1 [Latest](https://forum.core-electronics.com.au/latest.md) · [Categories](https://forum.core-electronics.com.au/categories.md) **Page:** 2 --- ## [Arduino UNO Q - 2GB (ABX00162)](https://forum.core-electronics.com.au/t/arduino-uno-q-2gb-abx00162/23742)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 4\ **Last updated:** [24 September 2026 03:00 UTC](https://forum.core-electronics.com.au/t/arduino-uno-q-2gb-abx00162/23742 "2026-09-24T03:00:10Z")
This is a placeholder topic for “Arduino UNO Q - 2GB” comments. Combining a high-performance Linux CPU with real-time control - capable of running modern tasks such as machine vision, voice recognition. All bundled int… --- ## [ESP32-S3 1.8inch AMOLED Touch Display Development Board (No Battery) (WS-29958)](https://forum.core-electronics.com.au/t/esp32-s3-1-8inch-amoled-touch-display-development-board-no-battery-ws-29958/24446)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 2\ **Last updated:** [22 September 2026 02:32 UTC](https://forum.core-electronics.com.au/t/esp32-s3-1-8inch-amoled-touch-display-development-board-no-battery-ws-29958/24446 "2026-09-22T02:32:34Z")
This is a placeholder topic for “ESP32-S3 1.8inch AMOLED Touch Display Development Board (No Battery)” comments. A pocket-sized dual-core board pairing a vivid 368×448 AMOLED touchscreen with six-axis motion sensing an… --- ## [10.1inch Capacitive Touch Display for Raspberry Pi, 1280×800, IPS, DSI Interface (CE09234)](https://forum.core-electronics.com.au/t/10-1inch-capacitive-touch-display-for-raspberry-pi-1280x800-ips-dsi-interface-ce09234/17818)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 11\ **Last updated:** [22 September 2026 02:23 UTC](https://forum.core-electronics.com.au/t/10-1inch-capacitive-touch-display-for-raspberry-pi-1280x800-ips-dsi-interface-ce09234/17818 "2026-09-22T02:23:47Z")
This is a placeholder topic for “10.1inch Capacitive Touch Display for Raspberry Pi, 1280×800, IPS, DSI Interface” comments. 10.1inch Capacitive Touch Display for Raspberry Pi, 1280×800, IPS, DSI Interface… Read more --- ## [Omni Outdoor Antenna High Gain Fiberglass Full Wave 915MHz 6dBi RP-SMA (LoRa AU915 & AS923) (CE05943)](https://forum.core-electronics.com.au/t/omni-outdoor-antenna-high-gain-fiberglass-full-wave-915mhz-6dbi-rp-sma-lora-au915-as923-ce05943/3936)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 21\ **Last updated:** [21 September 2026 05:25 UTC](https://forum.core-electronics.com.au/t/omni-outdoor-antenna-high-gain-fiberglass-full-wave-915mhz-6dbi-rp-sma-lora-au915-as923-ce05943/3936 "2026-09-21T05:25:09Z")
This is a placeholder topic for “Omni Outdoor Antenna High Gain Fiberglass Full Wave 915MHz 6dBi RP-SMA (LoRa AU915 & AS923)” comments. High Gain Omni Antenna specifically design for LoRa Gateway applications and a ze… --- ## [PiicoDev Precision Temperature Sensor TMP117 (CE07502)](https://forum.core-electronics.com.au/t/piicodev-precision-temperature-sensor-tmp117-ce07502/12977)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 34\ **Last updated:** [21 September 2026 04:27 UTC](https://forum.core-electronics.com.au/t/piicodev-precision-temperature-sensor-tmp117-ce07502/12977 "2026-09-21T04:27:19Z")
This is a placeholder topic for “PiicoDev Precision Temperature Sensor TMP117” comments. The PiicoDev Precision Temperature Sensor features a low-power, high precision TMP117 with 16-bit resolution and an accuracy of … --- ## [0.1" (2.54mm) Crimp Connector Housing: 2x5-Pin 5-Pack (POLOLU-1913)](https://forum.core-electronics.com.au/t/0-1-2-54mm-crimp-connector-housing-2x5-pin-5-pack-pololu-1913/24445)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 4\ **Last updated:** [21 September 2026 03:51 UTC](https://forum.core-electronics.com.au/t/0-1-2-54mm-crimp-connector-housing-2x5-pin-5-pack-pololu-1913/24445 "2026-09-21T03:51:52Z")
This is a placeholder topic for “0.1” (2.54mm) Crimp Connector Housing: 2x5-Pin 5-Pack" comments. These 2×5-pin housings work with Pololu’s wires with pre-crimped terminals to let you quickly make custom cables that mat… --- ## [I2C connector standards confusion](https://forum.core-electronics.com.au/t/i2c-connector-standards-confusion/24419)
**Author:** [@Donald23173](https://forum.core-electronics.com.au/u/Donald23173)\ **Replies:** 7\ **Last updated:** [19 September 2026 04:39 UTC](https://forum.core-electronics.com.au/t/i2c-connector-standards-confusion/24419 "2026-09-19T04:39:54Z")
Coming from a software background I prefer a digital interface - particularly I2C. Pulling my hair again over the i2c connectors ! Developing on a breadboard is one thing, but trying to tidy up wiring and use shortest c… --- ## [ESP32-S3 Mini Development Board (WS-25081)](https://forum.core-electronics.com.au/t/esp32-s3-mini-development-board-ws-25081/20131)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 24\ **Last updated:** [15 September 2026 05:52 UTC](https://forum.core-electronics.com.au/t/esp32-s3-mini-development-board-ws-25081/20131 "2026-09-15T05:52:46Z")
This is a placeholder topic for “ESP32-S3 Mini Development Board” comments. ESP32-S3 Mini Development Board, Based on ESP32-S3FH4R2 Dual-Core Processor, 240MHz Running Frequency, 2.4GHz Wi-Fi & Bluetooth 5… Read more --- ## [DC-DC Adjustable Step-down Module 5A 75W (CE07271)](https://forum.core-electronics.com.au/t/dc-dc-adjustable-step-down-module-5a-75w-ce07271/9448)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 58\ **Last updated:** [14 September 2026 06:47 UTC](https://forum.core-electronics.com.au/t/dc-dc-adjustable-step-down-module-5a-75w-ce07271/9448 "2026-09-14T06:47:25Z")
This is a placeholder topic for “DC-DC Adjustable Step-down Module 5A 75W” comments. DC-DC Adjustable Step Down Module 5A 75W XL4015 Read more --- ## [CEO 7271 model XL4015 step down converter](https://forum.core-electronics.com.au/t/ceo-7271-model-xl4015-step-down-converter/24431)
**Author:** [@peter23346](https://forum.core-electronics.com.au/u/peter23346)\ **Replies:** 1\ **Last updated:** [14 September 2026 06:20 UTC](https://forum.core-electronics.com.au/t/ceo-7271-model-xl4015-step-down-converter/24431 "2026-09-14T06:20:54Z")
Hi guys, I have this item purchased from yourselves. I see that the maximum current from this is 5 amps. I am using it with a servo motor from a 12v battery to a 7v output. The problem is it is not moving a servo. I thi… --- ## [JST PH-Style Cable with Female Pins for 0.1" Housings, 4-Pin, 12cm (POLOLU-5620)](https://forum.core-electronics.com.au/t/jst-ph-style-cable-with-female-pins-for-0-1-housings-4-pin-12cm-pololu-5620/24427)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 3\ **Last updated:** [14 September 2026 05:46 UTC](https://forum.core-electronics.com.au/t/jst-ph-style-cable-with-female-pins-for-0-1-housings-4-pin-12cm-pololu-5620/24427 "2026-09-14T05:46:44Z")
This is a placeholder topic for “JST PH-Style Cable with Female Pins for 0.1” Housings, 4-Pin, 12cm" comments. This 4-conductor, 12 cm (4.5") cable has 24 AWG wires and a 4-pin female JST PH-type connector (2mm pitch) o… --- ## [How can I use an on-grid solar inverter in an off-grid setup?](https://forum.core-electronics.com.au/t/how-can-i-use-an-on-grid-solar-inverter-in-an-off-grid-setup/22253)
**Author:** [@MrNams](https://forum.core-electronics.com.au/u/MrNams)\ **Replies:** 12\ **Last updated:** [14 September 2026 05:23 UTC](https://forum.core-electronics.com.au/t/how-can-i-use-an-on-grid-solar-inverter-in-an-off-grid-setup/22253 "2026-09-14T05:23:04Z")
I have a solar system with an on-grid (grid-tie) inverter, which only works when there is an active grid supply. Unfortunately, I live in an area where there’s no grid power for most of the day, so my solar setup goes… --- ## [Semi Flexible Monocrystalline Solar Panel (6V 1A) (FIT0600)](https://forum.core-electronics.com.au/t/semi-flexible-monocrystalline-solar-panel-6v-1a-fit0600/24423)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 3\ **Last updated:** [11 September 2026 08:51 UTC](https://forum.core-electronics.com.au/t/semi-flexible-monocrystalline-solar-panel-6v-1a-fit0600/24423 "2026-09-11T08:51:29Z")
This is a placeholder topic for “Semi Flexible Monocrystalline Solar Panel (6V 1A)” comments. This powerful monocrystalline solar panel features an A-class monocrystalline silicon panel. Due to up to 21% conversion effi… --- ## [Wio Tracker L1 Lite (SS114993653)](https://forum.core-electronics.com.au/t/wio-tracker-l1-lite-ss114993653/24393)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 7\ **Last updated:** [10 September 2026 04:32 UTC](https://forum.core-electronics.com.au/t/wio-tracker-l1-lite-ss114993653/24393 "2026-09-10T04:32:54Z")
This is a placeholder topic for “Wio Tracker L1 Lite” comments. Pre-flashed Meshtastic firmware for instant Long-Range GPS tracking and communication in a small and flexible form factor. Read more --- ## [Adafruit INA3221 - Triple 0-26 VDC, ±3.2 Amp Power Monitor - STEMMA QT / Qwiic (ADA6062)](https://forum.core-electronics.com.au/t/adafruit-ina3221-triple-0-26-vdc-3-2-amp-power-monitor-stemma-qt-qwiic-ada6062/21966)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 22\ **Last updated:** [9 September 2026 18:45 UTC](https://forum.core-electronics.com.au/t/adafruit-ina3221-triple-0-26-vdc-3-2-amp-power-monitor-stemma-qt-qwiic-ada6062/21966 "2026-09-09T18:45:51Z")
This is a placeholder topic for “Adafruit INA3221 - Triple 0-26 VDC, ±3.2 Amp Power Monitor - STEMMA QT / Qwiic” comments. This breakout board will solve all your multi-rail power-monitoring problems. Instead of struggl… --- ## [RGB full-color LED matrix panel (2.5mm Pitch, 64x32 pixels) (WS-23707)](https://forum.core-electronics.com.au/t/rgb-full-color-led-matrix-panel-2-5mm-pitch-64x32-pixels-ws-23707/22109)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 12\ **Last updated:** [9 September 2026 06:13 UTC](https://forum.core-electronics.com.au/t/rgb-full-color-led-matrix-panel-2-5mm-pitch-64x32-pixels-ws-23707/22109 "2026-09-09T06:13:57Z")
This is a placeholder topic for “RGB full-color LED matrix panel (2.5mm Pitch, 64x32 pixels)” comments. RGB full-color LED matrix panel, 2.5mm Pitch, 64x32 pixels, adjustable brightness… Read more --- ## [What PCB assembly method do you prefer for small prototype runs?](https://forum.core-electronics.com.au/t/what-pcb-assembly-method-do-you-prefer-for-small-prototype-runs/24412)
**Author:** [@PCB328596](https://forum.core-electronics.com.au/u/PCB328596)\ **Replies:** 8\ **Last updated:** [8 September 2026 23:11 UTC](https://forum.core-electronics.com.au/t/what-pcb-assembly-method-do-you-prefer-for-small-prototype-runs/24412 "2026-09-08T23:11:57Z")
Hi everyone, I’m working on a few small PCB prototypes and was wondering what assembly method others prefer for low-volume projects. For a small batch, would you recommend hand soldering, a hot plate/reflow setup, or us… --- ## [Loading a UF2 file to a Seeed XIAO nRF52840](https://forum.core-electronics.com.au/t/loading-a-uf2-file-to-a-seeed-xiao-nrf52840/24417)
**Author:** [@Mark285907](https://forum.core-electronics.com.au/u/Mark285907)\ **Replies:** 4\ **Last updated:** [7 September 2026 03:01 UTC](https://forum.core-electronics.com.au/t/loading-a-uf2-file-to-a-seeed-xiao-nrf52840/24417 "2026-09-07T03:01:39Z")
I recently purchased a Seed Studios XIAO nRF52840 from Core. I do not want to go down a new educational rabbit hole aka Arduino and so just want to stick with MicroPython. Dragging the .uf2 file onto the Xiao appears t… --- ## [Solar Lipo Charger with XIAO ESP32S3](https://forum.core-electronics.com.au/t/solar-lipo-charger-with-xiao-esp32s3/24378)
**Author:** [@johann318929](https://forum.core-electronics.com.au/u/johann318929)\ **Replies:** 30\ **Last updated:** [6 September 2026 05:38 UTC](https://forum.core-electronics.com.au/t/solar-lipo-charger-with-xiao-esp32s3/24378 "2026-09-06T05:38:16Z")
Hi, I bought recently a XIAO ESP32S3 with a lipo charger. I soldered the battery onto the XIAO, everything works fine Yesterday I tried to add my solar charger ( Solar Lipo Charger (3.7V) | Buy in Australia | DFR0264 … --- ## [WS-24659 with ROS2 on Raspberry Pi 5](https://forum.core-electronics.com.au/t/ws-24659-with-ros2-on-raspberry-pi-5/24416)
**Author:** [@Aaron268548](https://forum.core-electronics.com.au/u/Aaron268548)\ **Replies:** 4\ **Last updated:** [4 September 2026 07:19 UTC](https://forum.core-electronics.com.au/t/ws-24659-with-ros2-on-raspberry-pi-5/24416 "2026-09-04T07:19:35Z")
I was connecting the LIDAR WS-24659 to the test bed, and found that it would boot up and flood the TX/RX channels and stop ROS2 had a chance to complete its boot up sequence on the Pi5 Driving the project. On the test b… --- ## [MCP266 and esp32 with canopen](https://forum.core-electronics.com.au/t/mcp266-and-esp32-with-canopen/24414)
**Author:** [@Ariana329672](https://forum.core-electronics.com.au/u/Ariana329672)\ **Replies:** 3\ **Last updated:** [3 September 2026 04:53 UTC](https://forum.core-electronics.com.au/t/mcp266-and-esp32-with-canopen/24414 "2026-09-03T04:53:11Z")
I can configure the CANopen network from Arduino IDE and successfully read live encoder updates (the encoder is connected to the MCP266 and configured through Motion Studio). I can also read the mode of operation and tar… --- ## [SenseCAP Solar Node P1 for Meshtastic (SS114993643)](https://forum.core-electronics.com.au/t/sensecap-solar-node-p1-for-meshtastic-ss114993643/24384)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 8\ **Last updated:** [2 September 2026 23:41 UTC](https://forum.core-electronics.com.au/t/sensecap-solar-node-p1-for-meshtastic-ss114993643/24384 "2026-09-02T23:41:09Z")
This is a placeholder topic for “SenseCAP Solar Node P1 for Meshtastic” comments. It is an economical solar-powered comms node or repeater based on Meshtastic. It meets basic comms needs in no - network zones. Unlike P1… --- ## [Quick advice on what Arduino to purchase for a midi controller](https://forum.core-electronics.com.au/t/quick-advice-on-what-arduino-to-purchase-for-a-midi-controller/24415)
**Author:** [@Tim329704](https://forum.core-electronics.com.au/u/Tim329704)\ **Replies:** 7\ **Last updated:** [2 September 2026 06:34 UTC](https://forum.core-electronics.com.au/t/quick-advice-on-what-arduino-to-purchase-for-a-midi-controller/24415 "2026-09-02T06:34:08Z")
Hello Everybody. I am hoping to build 24 button midi trigger unit. Triggering will be via 24 individual arcade buttons that each have a leaf-switch fitted. I don’t have to send continuous control (CC) messages, or even v… --- ## [DPS-150 DC Adjustable Power (CE10555)](https://forum.core-electronics.com.au/t/dps-150-dc-adjustable-power-ce10555/24409)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 2\ **Last updated:** [1 September 2026 02:01 UTC](https://forum.core-electronics.com.au/t/dps-150-dc-adjustable-power-ce10555/24409 "2026-09-01T02:01:10Z")
This is a placeholder topic for "DPS-150 DC Adjustable Power " comments. Convert your USB-C PD adapter into a variable bench supply. This compact unit can deliver up to 150W (30V/5A) of regulated power. Read more --- ## [Birdnet not installing on raspberry pi](https://forum.core-electronics.com.au/t/birdnet-not-installing-on-raspberry-pi/24407)
**Author:** [@Kathryn328968](https://forum.core-electronics.com.au/u/Kathryn328968)\ **Replies:** 2\ **Last updated:** [31 August 2026 23:34 UTC](https://forum.core-electronics.com.au/t/birdnet-not-installing-on-raspberry-pi/24407 "2026-08-31T23:34:08Z")
Hi I recently needed to upgrade my old birdnet solution and purchased new Raspberry Pi 5 hardware. I am following the guide here (noting the guide is for Raspberry Pi 4B) : Identify Birds through Sound with a Raspberry … --- ## [5V 4 Channel Relay Module 10A (CE05279)](https://forum.core-electronics.com.au/t/5v-4-channel-relay-module-10a-ce05279/2921)
**Author:** [@Core](https://forum.core-electronics.com.au/u/Core)\ **Replies:** 26\ **Last updated:** [31 August 2026 06:17 UTC](https://forum.core-electronics.com.au/t/5v-4-channel-relay-module-10a-ce05279/2921 "2026-08-31T06:17:32Z")
This is a placeholder topic for “5V 4 Channel Relay Module 10A” comments. A versatile relay board with opto-isolated inputs. Each channel can drive up to 10A @28VDC Read more --- ## [Waveshare RP2350 Touch 1.43" AMOLED](https://forum.core-electronics.com.au/t/waveshare-rp2350-touch-1-43-amoled/24382)
**Author:** [@Ewan106490](https://forum.core-electronics.com.au/u/Ewan106490)\ **Replies:** 8\ **Last updated:** [31 August 2026 00:28 UTC](https://forum.core-electronics.com.au/t/waveshare-rp2350-touch-1-43-amoled/24382 "2026-08-31T00:28:35Z")
I bought a Waveshare RP2350 Touch 1.43" AMOLED from Core Electronics recently. Unfortunately, I am unable to get the Arduino examples (available here: https://www.waveshare.com/wiki/RP2350-Touch-AMOLED-1.43) to work. Fu… --- ## [Esp32 adc in micropython](https://forum.core-electronics.com.au/t/esp32-adc-in-micropython/24402)
**Author:** [@Steve124307](https://forum.core-electronics.com.au/u/Steve124307)\ **Replies:** 2\ **Last updated:** [29 August 2026 02:01 UTC](https://forum.core-electronics.com.au/t/esp32-adc-in-micropython/24402 "2026-08-29T02:01:37Z")
analog = ADC(Pin(32), atten=ADC.ATTN\_11DB) Is this command still required with a new Esp32-c6? I want to read a sensor that outputs up to 5 volts. I have made a voltage divider so it outputs 0 to 3.3 v. --- ## [7" TFT screen parts needed](https://forum.core-electronics.com.au/t/7-tft-screen-parts-needed/9431)
**Author:** [@Peter154582](https://forum.core-electronics.com.au/u/Peter154582)\ **Replies:** 15\ **Last updated:** [28 August 2026 00:29 UTC](https://forum.core-electronics.com.au/t/7-tft-screen-parts-needed/9431 "2026-08-28T00:29:30Z")
I managed to ruin the white ribbon cable that connects the screen to the RPi board. I want a replacement. The same TFT screen originally came with 4 different colour cables that make connections with the RPi. I want t… --- ## [ESP32-S3-Touch-4.3B-BOX ESPHOME error getting Touchscreen active](https://forum.core-electronics.com.au/t/esp32-s3-touch-4-3b-box-esphome-error-getting-touchscreen-active/24396)
**Author:** [@Mike54044](https://forum.core-electronics.com.au/u/Mike54044)\ **Replies:** 3\ **Last updated:** [27 August 2026 11:51 UTC](https://forum.core-electronics.com.au/t/esp32-s3-touch-4-3b-box-esphome-error-getting-touchscreen-active/24396 "2026-08-27T11:51:21Z")
Hi there, I’m getting the following error when booting the screen which is preventing me from using the Touch component. \[14:38:58.138\]\[C\]\[gt911.touchscreen:153\]: GT911 Touchscreen: \[14:38:58.142\]\[C\]\[gt911.touchscreen… [Previous page](https://forum.core-electronics.com.au/c/general/10.md) [Next page](https://forum.core-electronics.com.au/c/general/10.md?page=2)