Using an ESP32

• Neo-M8N (Same as nR52 link below)
• Any ESP32 dev board
• (Optional) any 5v battery solution for the ESP32, GPS module is powered from 3.3V

Wiring up the ESP32

ESP32	GPS Module
GND	GND
3V3	VCC
GPIO17	RX
GPIO16	TX

Using an nR52 module

Aliexpress Links

• 3.3v Regulator: https://www.aliexpress.com/item/32810810604.html
• GPS: https://www.aliexpress.com/item/32996138787.html
• BLE Board: https://www.aliexpress.com/item/32867403706.html
• Battery Charger: https://www.aliexpress.com/item/4000916815007.html
• Battery: https://www.aliexpress.com/item/32796563171.html
• Power Switch (alternative): https://www.aliexpress.com/item/32899944829.html

Pololu Links

• Power Switch: https://www.pololu.com/product/2808