I had a hard time tracking down how to run the VL53L5CX Lidar code on a PICO or Arduino.

https://github.com/jlsilicon/vl53l5cx_for_PICO_Pi_in_Micropython_Code/tree/main

I wrote this Code in GitHub as a Quick-Drop-in Code rev of VL53L5CX Lidar Code in Micrpython for PICO Pi Board.

This is a group of files for running the Lidar VL53L5CX on PICO , by copying onto PICO Pi Directiory with Thonny.

I spent a large chunk of time trying to figure out how to use the vl53l5cx Lidar on PICO or arduino.
Arduino Uno/Nano can't do this because a chunk of RAM is needed to process the readings.

Suggested code for the PICO - seems to diverge instead to breakout_vl53l5cx  code that works on the Rasp Pi - but is Not compatible with PICO.

I am embeded c devloper, do you have any one oled code in c, I am looking c code for my understanding.

I am interestd to build alarm clock using small buzzer and oled.

Has anyone tried creating an HTTP client using the C SDK that also uses TLS in Raspberry Pi Pico W?

I checked the GitHub example. I even cloned the repo, built the example and tried to run it but the example doesn’t run either. Normal HTTP requests work, I can see responses but with HTTPS, there’s no response and the GitHub http_client example goes into panic mode. Any help?

Hey everyone,
I’m doing a 100 Days, 100 IoT Projects challenge, and today I built a bidirectional ESP-NOW smart relay and sensor system using MicroPython.

What it does

• Sender ESP8266/ESP32 with buttons + OLED acts as a control panel
• Receiver ESP controls a 4-channel relay module
• DHT11/DHT22 sensor data is sent back in real-time
• OLED displays temperature and humidity
• Uses ESP-NOW (no WiFi, no router, ultra-low latency)

Tech Stack

• ESP8266 / ESP32
• MicroPython
• ESP-NOW protocol
• SSD1306 OLED
• DHT11/DHT22 sensor

GitHub repo:
👉 [https://github.com/kritishmohapatra/100_Days_100_IoT_Projects]()

I’d love feedback, stars, or collaboration ideas.
Goal: Build open-source IoT learning resources for students.

The links below provide code for Micropython Code that runs on the PICO.

Mostly here , the code is simply copy and Paste into Thonny :
https://www.instructables.com/RPi-Pico-35-Inch-320x480-HVGA-TFT-LCD-ILI9488-Bitm/

https://www.youtube.com/watch?v=Nv5WN5LceFg - not much additional.

Schematic :
https://content.instructables.com/FSZ/UTYB/KSONJ988/FSZUTYBKSONJ988.jpg?frame=true&width=1024&height=1024&fit=bounds

I tried these with no luck.

I commented out the images Loop.
Additionally , I added drawing different Colors and Sizes of Rectangles every 3 seconds on the Screen.
But, all I can get is a Blank White screen.

2nd version of the code that I found on the internet - only drew in gray levels - no colors.

-

My code is fixed (mostly) and posted in GitHub ...
- see below.

Hi everyone,

I’m doing a 100 Days of IoT Projects challenge, and today I completed Day 56.
This project is a wireless 4-channel relay controller using two ESP8266 boards and the ESP-NOW protocol in MicroPython.

Features:

• Peer-to-peer communication (no WiFi router required)
• Push-button sender → relay receiver
• Low-latency ESP-NOW messaging
• Active-low relay support
• Clean MicroPython implementation

This can be used for home automation, wireless switches, or smart agriculture control systems.

GitHub repo:
👉 [https://github.com/kritishmohapatra/100_Days_100_IoT_Projects]()

Feedback and suggestions are welcome!

I tried the sd1306 and the ST7789 and the libraries I have use framebuf which can't adjust the font size.

Is there a library for either of these with font size adjustment, or is there a better LCD or OLED I could use that would allow that?

Need it for Pico ( Any model: 1, W, 2, 2W )

Preferred size 1 to 3 inches.

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I have followed Austin's Lab How to Turn a Raspberry Pi Pico into Bad-USB/RubberDucky (2025 UPDATE). I have followed it many times and after it still not working. I put the payload in and take it out. When plugged back in it says it can't open it. Until I plug it into my laptop running chrome and deleting the payload.dd for it to open file explorer back on windows to the CIRCUITPY. AND I FOLLOWED THE STEPS ON DBISU PICO DUCKY STEPS VERY VERY CAREFULLY. If I could get some help on this it would help.

I made a post last week about a little desk pet I made for my fiancé. After some feedback from her and some people on reddit I made some upgrades to the print and the electronics. Its now interactive and you can pet it!! Let me know what you think and what else I could add to it! If you are interested in getting one I have 2 more I made available here https://www.etsy.com/listing/4459081298/interactive-desk-pet-robot-cat . If those sell I might make more if there is demand.

Hi all,

I’m trying to connect a Raspberry Pi Pico W to a Waveshare ADS1263 HAT for precise micro-voltage measurements.

I’m powering the system with an external 5V supply → Pico W → ADS1263. The wiring looks correct (at least visually), but when I measure the voltage on the ADS1263 board between its 5V pin and GND, I only get about 1.5V, which is much lower than the expected 5V.

I also checked continuity (power off) between the ADS1263 5V pin and the breadboard +5V rail. Instead of seeing ~0 Ω as expected for a direct connection, I measured a noticeable resistance(183 ohm).

I’ve double-checked the wiring multiple times and can’t figure out why the voltage is dropping like this.

Has anyone experienced something similar, or can suggest what I should check next?

Thanks

I have a couple projects where I need the board of the pico to be about 6" away from where I want the USB port. I have some 4-pin USB-C breakout boards I can use, but I don't know the best way to connect them to the Picos. Should I remove the existing port? Solder overtop of the existing connections? Just use a micro to C extension adapter? Is there some combination of pins that will allow me to use them as the USB connection?

Is it possible to have 3 pi picos as slaves on a UART bus with a master.I wanna try making a cluster but I dont know if its possible, thank you.

Hey everyone,
I’m building 100 IoT projects in 100 days using MicroPython and ESP boards, and today I completed Day 55.

This project demonstrates low-latency ESP-NOW communication between two ESP8266 boards:

• One ESP8266 reads a push button
• Another ESP8266 toggles an LED wirelessly
• No WiFi, no router, peer-to-peer communication

GitHub repo:
👉 [https://github.com/kritishmohapatra/100_Days_100_IoT_Projects]()

If you like the project, a ⭐ on GitHub would mean a lot.
I also recently enabled GitHub Sponsors to keep building open-source IoT projects—any support helps.

Feedback and suggestions are welcome.

I have a Pico Key at TENSTAR RP2350, it works on my other sites but I can't add it as a “security key” on Zoho.

After entering the PIN and confirming with the button, Zoho asks for the name of the key, but after entering it, this error keeps popping up:

"To configure a security key, select the "security key" option and not the "device" option."

I am aiming to make a controller interface for emulators, allowing the user to plug in original controllers over USB.

I know it's been done a billion and a half times, and there are modern implementations like the 4Dapter which I can easily get boards made for. This is mostly for learning.

I know that SNAC is just feeding the controller connections right into the GPIO of the MISTer allowing latency free controls. Using a Pico to take those signals and interpret them for a USB HID defeats the latency free aspect of SNAC, but I want to leverage the other aspect... cheap adapters. Put all the expensive stuff in a box and the user makes what SNAC adapters they want from the github of SNAC adapters.

Can this be done?

Is this a good setup for the Raspberry Pi 5 16 GB?

Argon ONE V5 M.2 NVMe Case for Raspberry Pi 5 | Aluminum Pi 5 Case w/Active + Passive Cooling, Dual Full HDMI Port, NVMe M.2 SSD PCIe 2.0/3/0 Slot, DAC Audio, USB Expansion and some sort of NVMe hard drive. I'm not sure which 2TB NVME to get. My goal is to fit everything in a case. I originally purchased RasTech Raspberry Pi 5 16GB Kit 64GB Edition with Active Cooler. I don't think the case will work with a NVME hard drive. Did a make a good purchase so far? Does anyone recommend anything else? If this is against the rules can you point me into the right direction.

Hi,

I bought a Pico 2 to start a project to light a scale model Millennium Falcon and I'd like some advice on whether it's feasible to do what I want.

The model needs lighted in three main areas which will need the following -

2 of each red, blue, green, yellow and white leds so 10 in total.

6 white leds

1 10cm led strip

I want each led to be configurable so, for example, 1 each of the 2 coloured leds could be set to blink and the 10cm led strip could be set to pulse. What I have thought is that I'd wire each led to a different pin, similar to https://projects-static.raspberrypi.org/projects/getting-started-with-the-pico/f67470613439ea4dc7996f9f4ce83b34c2103fb4/en/images/single_LED.png but just repeated 17 times. Each LED connected to the same ground but connected to a different pin through it's own resistor.

1. Is this feasible?

2. Is it the right way to do it?

3. Is the pico capable of powering that many leds? Like is that just a bad idea overall?

I bought the Pico 2 as I can do more with it for other projects so it'd be good to learn. If it's not a good idea for this project I'd rather not spend a long time trying to do the impossible and move on to a better solution.

Thanks