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- Reprap Stepper Driver Module
- Model: A4988
- Easy to operate with built-in converter
- it can control bipolar stepping motor in full, half, 1/4, 1/8, 1/16 stepping modes
- output drive can reach 35V, ±2A
- suitable for complex micro processor
- in microstep, the chopped wave in the module can automatically choose current attenuation model (slow or mixed)
- in mixed attenuation mode, the default setting is rapid decline in a fixed downtime and slow decline in the rest of the downtime
- Mixed decline current control solution reduces motor noise, increase accuracy and decrease power consumption
- The sync commutation control of rectifier improves power consumption in PWM operation
- With built-in circuit protection: hysteretic overheat switch, UVLO and crossover current protection
- No special electrifying program needed
- QFN (ES) installation: 5mm x 5mm, nominal overall package height: 0.90mm
- with exposed cooler. Lead-free packaging (-T)
- uses fog tin plated pin socket
- Material: FR4
- Dimensions: 21 x 16 x 12 mm / 0.83 x 0.63 x 0.47 inch
- Weight: 3 g / 0.11 oz
- Color: Red
- 1 x Module
|Available Shipping Method||Tracking NO.||Estimated Delivery|
4) For the order with only one item (only one item):
b. if your item is more than 20USD, our system will ship your item with tracking number automatically free of charge.
5) For the order with multiple items (multiple items):
b. if most items in one order is low value with reasonable weight and size, our Checkout process is able to identify such order giving free registered freight on it.
c. if most items in one order are low value but with relatively high weight (i.e. Value: Weight ratio is not in reasonable range), we will charge certain discounted upgrading fee if you need tracking number.
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