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
4WD Double Layer DIY Smart Car Plastic Chassis Kit (Longer Version)
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The longer version of the 4WD Double Layer Smart Car Plastic Chassis Kit is equipped with four pairs of high-performance geared motors and wheels. In this 4WD car kit, each component is crafted for durability and precision, ensuring a top-tier robotic experience. The transparent chassis not only adds a sleek look but also offers enhanced visibility, making it easier to manage and optimize the placement of components on your robotic vehicle.
| Feature | Details |
|---|---|
| Operating Voltage | 3V~6V DC |
| Gear Ratio | 1:48 |
| No-load Speed (5V) | About 208RPM |
| Rated Torque | 0.8 Kg.cm @ 5V |
| Load Current | 170 mA (at 4.5V) |
| Size | 70 x 23 x 18 mm |
| Weight | 28g |
| Shaft Length | 10 mm |
| Shaft Type | 6 mm, Double-D |

| Feature | Details |
|---|---|
| Loading Capacity | Max 2.5Kg |
| Double D-hole for BO Motor | 6 mm |
| Weight | 34g |
| Wheel Diameter | 65 mm |
| Color | Black (Tyre), Yellow (Rim) |
| Wheel Width | 27 mm |
| Body Material | Plastic |
| Grip Material | Rubber |
