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In co-operation with ONTARS, we are pleased to offer several items at exclusive lower pricing.
When checking out of the online store, use Coupon Code ONTARS for an additional $10 off any order over $60.
These items are exclusive deals for ONTARS members, and some quantities are limited, and special pricing may expire at any time.
Digital Ammeter 0.56"
Available in Red, Green or Blue
Ultra high precision low-cost ..
$6.95 USD $8.99 USD
Arduino Uno R3
Fully Arduino Uno R3 Compatible
No Special Drivers Needed
Arduino Uno R3 is a ..
$7.40 USD $12.95 USD
Arduino UNO R3 Box Case Shell
Available In Clear or Black ABS
The high-quality plastic case pr..
$1.25 USD $1.95 USD
Proto Arduino Advanced Kit
Arduino Nano or ATTiny85 Prototype Board
The Proto Arduino is a..
$8.30 USD $11.95 USD
Ultra high precision low-cost digital temperature meter - allows you to put a digital thermometer an..
Ultra high precision low cost digital voltage meter - allows you to put a voltage meter anywhere wit..
$5.95 USD $7.99 USD
Digital LED Volt Meter
0.56" Display in Red, Green, Blue or White
Ultra high precision low cos..
Digital Voltmeter and Ammeter Panel Meter
High-Current 50A with 0-99.9v DC Measurement
$11.11 USD $15.95 USD
Digital Voltmeter and Ammeter
Dual Display: Voltage on Top, Current on Bottom
The Digital Volt..
$8.88 USD $11.95 USD
Dual Precision Digital Temperature Meter
Red and Green 0.28” Display
The dual temperature mete..
$8.88 USD $11.99 USD
High Precision Digital Ammeter
0.0000 to 3.0000 Amps DC
The High Precision Digital Ammeter is ..
Mini LCD Hygrometer with Thermometer
Simultaneous Temperature and Humidity Levels
Your house i..
$1.48 USD $4.50 USD
Mini LCD Thermometer
Accurate Temperature Measurement
Mini digital LCD thermometer for use in ..
$0.95 USD $3.00 USD
NodeMCU IoT Experimenter Prototype Board
Advanced Prototyping Platform for the NodeMCU ESP8266
$8.88 USD $10.00 USD
$7.00 USD $23.97 USD
Digital Volt Meter (0.56")
Water Resistant / water resistant high precision lo..