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David

a chemical and process engineer working in the field of electronics design and embedded development

Iceland

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This user joined on 04/29/2023.

My Projects

Ultra low cost amplifier circuit for pH sensor and 3.3V Microcontrollers

ultra low cost pH amplifier circuit for 3.3V MCU's

Things I've Built

EVSE charger for my car

https://forum.arduino.cc/t/evse-charger-miev-leaf-tesla-6-16a-esp32/878422

Projects I Like & Follow

Bluetooth transmitters are different and highly integrated modules. Here is the info, to use and select proper module for different purpose.

Bluetooth Transmitter – Chipset, Power, Datasheet

sagar-001 Sagar 001

Raspberry Pi Compute Module 4 carrier that plugs directly to HDMI port.

Raspberry Pi CM4 TV Stick

Two hearts are better than one, so why not have five. Quadcore RPI CM4 and a MCU on a single board for true all-in-one 3D printer control.

Sigmoid S7P 3D Printer Control Board

This rig doesn't require bolting to the ceiling or wall. Works with my VR shoes to keep the user in the same spot as they walk in VR.

Free Standing VR Support Rig

finallyfunctional

2021 Hackaday Prize

Controlling modern hardware in style.

Retro home automation controller

rick-pannen Rick Pannen

A scale model of the Italian COSMO-SkyMed satellite brought to life with the addition of a small flashing light.

Flashing satellite model

andrea-console Andrea Console

Comprehensive Peripheral Cluster On-A-Stick

CPC Cyber Cepter

Radio works quite correctly on FM and also on the AM band, certainly not expecting any great quality

DIY 3$ kit CF210SP AM,FM Stereo Radio

mircemk mircemk

Silence the speaker in the Owlet Smart/Dream Sock base station

Hush Owlet

Two 555 timers and oscilloscope X-Y mode to generate animated art

Oscilloscope Art using 555 Timers

ted-fried Ted Fried

ISP and UPDI Combo Programmer for AVR Microcontrollers

CH552 picoAVR ISP+UPDI Programmer

stefan-wagner Stefan Wagner

Single chip biopotential amplifier.

BioAmp v1.5

deepak-khatri Deepak Khatri

ESP32Cam based with PIR, Doppler, Temperature and Buzzer sensors

Multi-purpose Security Node with multiple sensors

Make IoT-based Home Automation using ESP32 Blynk with the Fan Speed control, sensor, and IR remote control relay with real-time feedback.

ESP32 Blynk IoT Project with Fan Speed Control

Supplyframe DesignLab: 2022 Hackada…

Retro clock with seven segment display, WDC65C02 microprocessor and SP0256 voice synthesis chip.

Talking clock

marek-wicek Marek Więcek

Lifetime Battery For Any Clock

Lifetime Battery For Any Clock

utsourceproduct

Bringing old Lubitel cameras back to life

LR Camera

Vladimir Gorshenin

This is an IoT project that uses nRF52840 Dongle and a smartphone to switch ON/OFF lights in a house via Bluetooth LE.

A Smart Home Bluetooth LE Lights Controller IoT

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