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
4-CH IR Line sensor Module
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A 4-channel IR line sensor module is a type of sensor that uses infrared (IR) technology to detect the presence or absence of a line or object. It typically consists of four individual IR sensors, each with its own phototransistor, that are arranged in a row. The module can be used to detect the position of a line, the edge of an object, or the presence of an obstacle in a robotic or automation application. It is often used in line-following robots, edge detection, and other similar applications.
1 x Tracking Module (Hollow Board + Small Plate Forward)
1 x Female to Female Dupont Line
| Working voltage | DC 3.3V-5V |
| Output interface | 6 wire interface |
| Operating Temperature (?) | -10 ~ +50 |
| Mounting hole | M3 |
| Detection range | 1mm ~ 60 cm adjustable. |
| Dimensions | 10 × 8 × 2 cm |
| Weight | 15 grams |