From b7d7f84355671cd44866a1f40947b4d75757c109 Mon Sep 17 00:00:00 2001 From: Miriam Sinton-Remes Date: Wed, 5 Aug 2026 13:39:58 -0400 Subject: [PATCH 1/3] Documented servo power usage best practices --- .../best_practices/servo-power-usage.rst | 24 +++++++++++++++++-- 1 file changed, 22 insertions(+), 2 deletions(-) diff --git a/docs/source/robot_building/best_practices/servo-power-usage.rst b/docs/source/robot_building/best_practices/servo-power-usage.rst index 8e029df6..a8bc7efc 100644 --- a/docs/source/robot_building/best_practices/servo-power-usage.rst +++ b/docs/source/robot_building/best_practices/servo-power-usage.rst @@ -1,7 +1,27 @@ Servo Power Usage Best Practices --------------------------------- +There are many best practices that teams should keep in mind regarding servo usage. -.. todo:: - Add servo power usage best practices content. +Voltage Compatibility +^^^^^^^^^^^^^^^^^^^^^ +It is important to make sure that the servo you are using is compatilbe with +the port you are plugging it into. Most servos are designed to accept a range +of voltages which you can find in the spec sheet from the manfacturer. The REV +Control Hub and the REV Expansion Hub both provide 5V to servos, while the +goBILDA Servo Power Injector, REV Servo Power Module, Studica Servo Power +Block, and REV Servo Hub all provide 6V. + +Current Draw Limits +^^^^^^^^^^^^^^^^^^^ +Each pair of servo ports on the REV Control Hub and REV Expansion Hub is +limited to 2A. Additionally, the 6 servo ports and +5V auxiliary part have a +maximum of 5V total. Teams should also be mindful of the 20A fuse on the +which limits the full electrical system. + +Power Source +^^^^^^^^^^^^ +The power from each servo port is only for powering servos connected to that +port, and servos should only be powered for the servo port they are connected +to. The Competition Manual prohibits teams from mixing power between devices. See the :doc:`Servos <../../control_hard_compon/rc_components/servos/servos>` page for background on servo ports and power. From eb093773aa8302ec22c73fc2eb46279a8e9891ae Mon Sep 17 00:00:00 2001 From: Miriam Sinton-Remes Date: Sun, 16 Aug 2026 14:36:07 -0400 Subject: [PATCH 2/3] fixed spellcheck typos --- .../robot_building/best_practices/servo-power-usage.rst | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/docs/source/robot_building/best_practices/servo-power-usage.rst b/docs/source/robot_building/best_practices/servo-power-usage.rst index a8bc7efc..d2e13ffb 100644 --- a/docs/source/robot_building/best_practices/servo-power-usage.rst +++ b/docs/source/robot_building/best_practices/servo-power-usage.rst @@ -4,9 +4,9 @@ There are many best practices that teams should keep in mind regarding servo usa Voltage Compatibility ^^^^^^^^^^^^^^^^^^^^^ -It is important to make sure that the servo you are using is compatilbe with +It is important to make sure that the servo you are using is compatible with the port you are plugging it into. Most servos are designed to accept a range -of voltages which you can find in the spec sheet from the manfacturer. The REV +of voltages which you can find in the spec sheet from the manufacturer. The REV Control Hub and the REV Expansion Hub both provide 5V to servos, while the goBILDA Servo Power Injector, REV Servo Power Module, Studica Servo Power Block, and REV Servo Hub all provide 6V. From aaefd2bc0ce1d09f529f0c835137b287e6cba9ef Mon Sep 17 00:00:00 2001 From: Miriam Sinton-Remes Date: Wed, 19 Aug 2026 13:22:31 -0400 Subject: [PATCH 3/3] feedback from review --- .../robot_building/best_practices/servo-power-usage.rst | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/docs/source/robot_building/best_practices/servo-power-usage.rst b/docs/source/robot_building/best_practices/servo-power-usage.rst index d2e13ffb..8ae4c086 100644 --- a/docs/source/robot_building/best_practices/servo-power-usage.rst +++ b/docs/source/robot_building/best_practices/servo-power-usage.rst @@ -15,7 +15,9 @@ Current Draw Limits ^^^^^^^^^^^^^^^^^^^ Each pair of servo ports on the REV Control Hub and REV Expansion Hub is limited to 2A. Additionally, the 6 servo ports and +5V auxiliary part have a -maximum of 5V total. Teams should also be mindful of the 20A fuse on the +maximum of 5A total. Therefore, it is recommended to only place servos on ODD +or EVEN ports, and not both, which means only placing up to 3 servos on each +Control or Expansion hub. Teams should also be mindful of the 20A fuse on the which limits the full electrical system. Power Source