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A tester for 1.5V and 9V batteries, which does not require a power supply, allows a simple assessment of the battery condition by touching the poles with the metal terminals, with the measurement results under load indicating green (GOOD), yellow (LOW) and red (REPLACE, RECHARGE) fields, compact and easy to store. Sthor-81700

zł9.26
24h
Available quantity: 2
Available

Module with a fan and RGB diode designed to work with the Raspberry Pi. The fan rotation speed can be controlled from the program level. Pimoroni PIM301

zł95.46
24h
Available quantity: 2
Available
Piezoelectric Energy Harvesting Power Supply, 2,7 V to 20 V input voltage, DD, Linear Technology, RoHS
zł58.97
24h
Available quantity: 2
Available

Module with a flame sensor or other light sources with a wavelength in the range of 760 to 1100 nm. It was based on the YG1006 sensor (photovolver NPN). The sensor has a connector compatible with the Grove standard. Seeed studio 101020049

zł38.14
24h
Available quantity: 2
Available