3.6/3.7V Dual 18650 Rechargeable Lithium Battery Charger
sim7670c ic is good but it booting is very complication any other metod to connect 4G pius sms read and write
2A Dual L298N Motor Driver Module with PWM Control
DIY WiFi Controlled Robot Kit
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A specially designed robot kit for all kinds of robotics enthusiasts, starting from small kids to adults. It comes along with an ESP8266 Node MCU-based Robot control board with Motor Driver. Motor driver L293d for running DC and Stepper motors with up to 1 Amps of current discharge capability. The chassis of the Robot is made from PVC's unbreakable body and is easy to integrate.