A system of interconnecting trainers is provided. The trainers may share power and/or exchange control signals, resulting in reduction in weight/size and increase in portability. Some of the trainers may include a rechargeable battery to allow the trainers to operate without being connected to an AC outlet. A power source selector switch may select an external AC power source or the internal battery to be used by the trainer. Some the trainers may include one or more DC and/or AC signal distribution relays that may receive control signals from student designed circuits or controllers and may provide DC and/or AC signals to other trainers. Some of the trainers may include built-in devices such as oscilloscopes, signal generators with displays, multimeters, and pneumatic devices.

Disclosed herein is a microcontroller board for the learning and practice of coding. In the microcontroller board, a platform area (S1) including a platform circuit board (10) in which a microcontroller is provided and module areas (S2) each having a cut line and including a module circuit board (20) are divided and formed on a single board array (S), corresponding header socket holes H are formed in the platform area (S1) including the platform circuit board (10) and the module areas (S2) on both sides of each of the cut lines, a plurality of machine holes (30) is provided along each of the cut lines between the header socket holes (H), via holes (40) are formed by plating the inner circumferential surfaces of the machine holes (30) with metal layers (35) in order to conduct electricity, and V-cut grooves (50) are formed along each of the cut lines.

A quantum state visualization device comprising at least a portion of a spherical shell and a support structure affixed to the spherical shell. A portion of the support structure can intersect a center of the spherical shell. The quantum state visualization device further comprising a indicator pivotally attached to the support structure at the portion of the support structure intersecting the center of the spherical shell. The indicator is representative of a quantum state based on its position relative to the spherical shell.

A versatile Logic teaching system comprising a plurality of interchangeable functional tile units representing binary values representing various logic functions and connector tiles linking the functional tile units. In use, functional tile units and connector tiles can be arranged to create logical circuit pathways representative of real-world scenarios. Construction of logical circuit pathways can follow one or more rules and a scoring system to engage users.

The present invention relates to the instruction and evaluation of electronic circuits. The embodiments disclosed include a circuit instruction device comprised of a at least one control unit, an input/output device, and a bread board with a plurality of sensors. The components are configured to allow the device to read a file that will instruct the user as to the electronic circuit that is to be built and evaluate the performance of the circuit. The device is capable of providing complex digital and analog inputs over time as well as record outputs from the user's circuits over time to correlate the outputs to the inputs provided by the device. This device can be updated with new lessons/courses by way of an SD card and; thereby, is programmable. The device can be used in on-site residential educational environments as well as in remote educational environments.

Electrical connectors, electrical modules, and systems are provided. In one aspect, an electrical connector includes a housing defining a side surface, an electrical conductor supported by the housing and including an engagement portion proximate the side surface of the housing. The engagement portion is adapted to engage another electrical conductor of another electrical connector. The connector also includes a magnet supported by the housing proximate the side surface of the housing, a projection extending from the side surface of the housing, and a receptacle defined in the side surface of the housing. In other aspects, an electrical module includes at least one of these electrical connectors. In further aspects, a system includes a plurality of these modules and the modules are selectively couplable together.

Assemblies, methods, apparatus, and systems for learning activities are described. An assembly may include a first section and a second section. The first section of the assembly may include a first surface area portion that has a first set of recesses with which to receive indication elements (e.g., marbles or balls). The second section of the assembly may include validation protrusions and an alignment mechanism for aligning the second section with the first surface area portion of the first section. A method of using the assembly may include positioning the indication elements in a subset of the first set of recesses and placing the second section over the first section. The method may also include determining whether the second section correctly seats with the first section of the assembly for validating correct positioning of the indication elements corresponding to a logic truth table.

Electrical connectors, electrical modules, and systems are provided. In one aspect, an electrical connector includes a housing defining a side surface, an electrical conductor supported by the housing and including an engagement portion proximate the side surface of the housing. The engagement portion is adapted to engage another electrical conductor of another electrical connector. The connector also includes a magnet supported by the housing proximate the side surface of the housing, a projection extending from the side surface of the housing, and a receptacle defined in the side surface of the housing. In other aspects, an electrical module includes at least one of these electrical connectors. In further aspects, a system includes a plurality of these modules and the modules are selectively couplable together.

Examples include a frame supporting a holding slot with guide surfaces along an axis from a slot power connector. A first and a second circuit board device are movably supported by the guide surfaces. Each includes a first side edge, a second side edge, and a laterally stackable power rail extending from a first connector on the first side edge to a second connector on the second side edge. Each includes a guide structure moveably engaging the slot guide surfaces. In a state, the first circuit board device is adjacent the slot power connector. The second circuit board device is adjacent the first circuit board device. the first connector of the first circuit board device is aligned and coupled with the slot power connector, the second connector of the first circuit board device is aligned and coupled with the first connector of the second circuit board device.

A robot control system for coding education may include: a robot configured to move according to a tangible block including a command, and having a plurality of motors therein; a control unit configured to independently control the plurality of motors; and a tile board corresponding to the space in which the robot moves. The control unit may include a line detection unit configured to detect a line of the tile board in order to check whether the robot moves according to the tangible block. The line detection unit may include line information which is configured in a different manner depending on whether the line is present within a detection radius of the line detection unit. The order information of the tangible block may be read by a block recognition algorithm, and the block recognition algorithm may map the tangible block placed on a 3D space to a 2D space.