TI CC2540/CC2541 Bluetooth 4.0 BLE 2540 2541 Transparent Serial Data Module w/Antenna
3.3V TTL / bluetooth low energy / HM-10
 
(3)
$4.19 FREE
DC-DC 3V to 5-9V 2A Boost DIY Mobile Phone Power Supply Module
with USB female / voltage adjustable switching
 
(16)
$2.12 FREE
Female to Female 40-Pin DuPont Breadboard Jumper Wires (20cm)
multicolored / comes in a 40-pin separable ribbon cable
 
(18)
$1.69 FREE
Micro-USB 1A 18650 Lithium Battery Charging Board Charger Module
5V input / over-discharge / over-current protection
 
(10)
$0.85 FREE
HM-11 Bluetooth V4.0 Transceiver BLE Module
TI CC2540 / CC2541 chip
$4.31 FREE
V20D 0.36" LED Two Line 3-Digital Direct-Current Volt Meter Module
measurement range: DC 2.5~30V
 
(140)
$1.87 FREE
Arduino Compatible Uno R3 Rev3 Development Board
powered by ATmega 16U2 / revision 3
 
(54)
$6.92 FREE
Full Range 1-14 pH Test Paper Strips (2-Pack)
2-PACK 80 stripes of each single one
$1.17 FREE
Micro-USB to USB 2.0 Charging Cable for Raspberry Pi (1.5m)
w/ ON/OFF switch / male to male
 
(5)
$2.12 FREE