Build a USB Powered AA NiMH and NiCd Battery Charger
Arduino-based opensource NiMH battery charger - Science and Measurement - Arduino Forum
Nickel–metal hydride battery - Wikipedia
Smartcharger for NiCd/NiMH batteries - Softair.ee
Float Charger For NiMH Cells - EEWeb
Battery Charging NiMH
Battery Charging NiMH
The Best Rechargeable Battery Charger (for AA and AAA Batteries) | Reviews by Wirecutter
Battery Charging NiMH
NiMH Battery Charger Circuit
NiMH Battery Charger Circuit
GP - NiMH technical
REACELL AA AAA Battery Charger for NiMH Batteries 1 Hour Quick Charging with Type C USB Input Ports Rechargeable Battery Charger Automatic Shut-Off & Trickle Charging: Amazon.de: Electronics & Photo
Automatic NiMH Battery Charger Circuit
Smart NiMh battery charger based on Attiny85 (and Arduino) | Electronics & Arduino
Solar Charging Circuit for Onboard NiMH Charging - Project Guidance - Arduino Forum
Nickel Metal Hydride Battery Safety Notes | GlobTek