Arthur Jordan

LORA-QWERTY-Communicator. A tidy and feature-packed LORA QWERTY communication device based on a Blackberry Q10 keyboard, a nRF52840 and a 2.7'' Sharp Memory LCD

Retina-Display-eDP-Adapter-For-UP-Board. This project contains the design files for an eDP adapter and backlight driver for ipad 3 retina displays. A .brd file for a connector for CN31 is included too which can be manufactured by OSH Park flex service and costs next to nothing.

SMA-Q2_replacement_board. SMA-Q2_replacement_board

Physio. A versatile wireless monitoring device that combines ECG, impedance pneumography, photoplethysmography, SPO2 calculation, galvanic skin response, NIBP wrist measurement as well as well as body temperature measurement in one wearable.

SX1262-LoRa-BLE-Relay. A LoRa to BLE relay in 2 versions based on the new SX1262 chipset and an nRF52840. It can run Meshtastic already

SMA-Q2_replacement_board_v2. Different version of the SMA-Q2 smartwatch replacement board

LoRa-BLE-Relay-v2. second version of the nRF52840 and SX126x-based communication device intended to run Meshtastic

SMA-Q2-Firmware-3. 3rd take on the ultimate open source smartwatch project

2-Channel-Biopotential-Amp. A small general purpose biopotential amplifier for ECG/EEG/EMG measurements. Connects to any ADC.

ZeroWatch-v1.1. Replacement board for a cheap chinese U8/U80 watch.

SMA-Q2-nrf52840-dualMode-firmware. SMA-Q2-nrf52840-dualMode-firmware

PulseSensor-for-SMA-Q2. The Pulse Sensor from https://pulsesensor.com re-designed to be made on a tiny flex PCB to replace the HR sensor of the SMA-Q2 watch.

PAH8002. Optical heart rate monitor found in the SMA-Q2 smartwatch.

OpenBCI_Bluetooth2adapter. An adapter board for the OpenBCI 32bit V3 board (Cyton) that enables higher data/sampling rates and eliminates the need for a USB dongle.

ColorMemLCD. Arduino library for the LPM013M126A 176x176 Japan Display Color memory LCD found inside the SMA-Q2 / SMA-TIME smartwatch.

SMA-Q2-Arduino. Arduino test firmware for the SMA-Q2 Smartwatch

nrf52840-breakout. nrf52840 breakout board

Attiny85_breakout. This tiny Attiny85 breakout board comes in handy in many small projects. It's programmed via ICSP. No need for bootloader hassle.

Sharp-Memory-Display-Breakout. Breakout for the AYF531035A 10pin 0.5mm pitch connector which mates with the Shar Memory Displays and also the good old LPM013M126A

SMA-Q2-Firmware-2. SMA-Q2 Firmware 2 based on the Sandeep Mistry Arduino Core or its Implementation in Aaron Christophel's portable Arduino IDE as uploaded here: https://www.youtube.com/redirect?redir_token=KBI_47xkebyV8zz_y1ZDXYYTUBF8MTU2OTA3MDI3N0AxNTY4OTgzODc3&event=video_description&v=3gjmEdEDJ5A&q=http%3A%2F%2Fatcnetz.de%2Fdownloads%2FD6Arduino.rar

nRF52832-Breakout. breakout board for the CDSENET E73-2G4M04S1B module

Lithium-charger-and-LDO. This is a circuit that is used very often. It features a MCP73831 lithium charging IC capable of charging currents up to 500mA and a generic SOT23-5 LDO. I chose ultra low quiescent current mudels such as XC6215 in the 3.3V variant so the circuit can provide 3.3V all the time and last for ages

BL6280. The BL6280 is a controller for capacitive touch screens usually found on dirt-cheap chinese U80 "Smartwatches".

TPS63001-Minimodule. Small breakout for the TPS63001 - a 1.8-5.5V in and 3.3V out buck boost converter by TI

DW01_LiPo_protection_circuit. These are ubiquitous, but what if you want to incorporate them into your own designs?

Simblee-breakout. breakout for the rfd77101 module

PlesseyEPIC_carrierBoard. Carrier board for PLESSEY EPIC capacitive electrodes in QFN packages. These active electrodes can be used for capacitive ECG/EEG/EMG.

MKL05Z_breakout. breakout board for the MKL05Z32VFM4 Corte M0 microcontroller by Freescale.