Load Sensor Combinator (Ver. 1.1) - SparkFun BOB-13878

Index: SPF-07277 EAN: 5903351249355

The module allows you to connect 4 load sensors - strain-gauge beams to one of the bridge via 4-wire cable. It finds application, for example, in the construction of the bathroom scales. The board has space for a temperature sensor DS18 B20 and RJ45 connector.

Load Sensor Combinator (Ver. 1.1) - SparkFun BOB-13878
€2.10 tax excl.
Delivery 4 pcs scheduled for 2023-06-09
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Manufacturer: SparkFun


A module that allows you to connect 4strain-gauge beams with twelve wires in 4-wire Wheatstone bridge configuration, i.e. wires connected in the following way:

  • Red (RED)- excitation is positive or VCC (power supply)
  • Black (BLK)- negativeexcitation or GND (ground)
  • White (WHT)- the gain is positive, a positive signal or a positive output
  • Green (GRN)- the gain is negative, the signal is negative or the output is negative
  • Yellow (YLW)- ground, optional input enables to reduce the electromagnetic interference

The module works withthe HX711 amplifier. In addition, the board has a place for the temperature sensorDS18B20, in the case of significant temperature difference between the sensors and amplifier. The temperature read can be carried out remotely via RJ45 connector, usingthe Ethernet cable.



  • The possibility to connect 4 strain-gauge beams in 4-pin Wheatstone's bridge
  • The possibility of mounting a temperature sensor DS18B20
  • The possibility of mounting RJ45 connector
  • Pins: holes forgoldpin connectors - 2.54 mm(strap can be purchased separately)
  • Module dimensions: 30 x 22 mm
Package width 5 cm
Package height 7 cm
Package depth 0.2 cm
Package weight 0.003 kg

Same-day shipping

  • Crediting the payment for the order on our account on a business day before 10:00 AM means sending the goods on the same day.
  • All packages are being delivered by GLS Group courier and covered with insurance up to 1200 EUR.
  • You will receive a link to track your package and monitor the progress of delivery as soon as it is shipped.

Terms of delivery 

GLS - zone 1

Austria, Belgium, Croatia, The Czech Republic, Denmark, Germany, Netherlands, Poland, Slovakia 

  • Delivery time: 2-4 days
  • Delivery cost: from 4.18 EUR
  • Insurance: 1200 EUR
GLS - zone 2

Bulgaria, Estonia, France, Hungary, Italy, Latvia, Lithuania, Luxembourg, Portugal, Romania, San Marino, Slovenia

  • Delivery time: 2-5 days
  • Delivery cost: from 5.35 EUR
  • Insurance: 1200 EUR
GLS - zone 3

Finland, Greece, Ireland, Spain, Sweden 

  • Delivery time: 2-7 days
  • Delivery cost: from 7.67 EUR
  • Insurance: 1200 EUR

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